Это сработало для меня, когда у меня была похожая проблема.Просто измените его под свои нужды:
import smtplib
from email.mime.text import MIMEText
from email.mime.multipart import MIMEMultipart
from email.mime.base import MIMEBase
from email import encoders
# # comment implies that the field needs to be filled in
fromaddr = "" # from email address
toaddr = "" # destination email address
smtp_user = "" # SMTP username used for authentication
smtp_pass = "" # SMTP password used for authentication
msg = MIMEMultipart()
msg['From'] = fromaddr
msg['To'] = toaddr
msg['Subject'] = "" # subject
body = "" # body
msg.attach(MIMEText(body, 'plain'))
filename = "" # filename including extension
attachment = open(r"", "rb") # e.g. (r"C:\pic\pic.jpg", "rb")
part = MIMEBase('application', 'octet-stream')
part.set_payload((attachment).read())
encoders.encode_base64(part)
part.add_header('Content-Disposition', "attachment; filename= %s" % filename)
msg.attach(part)
server = smtplib.SMTP('', 587) # e.g. ('in-v3.mailjet.com', 587)
server.starttls()
server.login(smtp_user, smtp_pass)
text = msg.as_string()
server.sendmail(fromaddr, toaddr, text)
server.quit()